Screen has black dots on it.
The screen has two black dots that I can’t remove, the calculator works fine so I think it is a screen problem.
The black dots are more clear in person.
I think some of the liquid crystal has leaked in the display module. I don't think the LCD screen is repairable. If you found exactly the same model, you could swap the LCD screens around. But if it works away, it's only a cosmetic issue, though it's likely to get worse with time.
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